|
Definition of Caudal keel
1. Noun. (ichthyology) A lateral ridge found just forward of the tail fin on the caudal peduncle of some types of fast-swimming fish, that provides stability and support to the caudal fin. ¹
¹ Source: wiktionary.com
|
1. Noun. (ichthyology) A lateral ridge found just forward of the tail fin on the caudal peduncle of some types of fast-swimming fish, that provides stability and support to the caudal fin. ¹
¹ Source: wiktionary.com